开始使用预编译的mysql，但是get:无法通过socket '/tmp/mysql连接到本地mysql服务器。袜子”(2)

I knew the question I am asking is somewhat alike with other guys, but my case is a little different: I did not install mysql-server using yum, nor did I install it with rpm or compile-makeinstall. I simply downloaded the compressed precompiled binary from the official website: I knew the question I am asking is somewhat ali